单词：tangential shrinkage
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This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Not too long ago, scientists had to hoof it to the library to review the literature. And they had to flip through a card catalog to find that dusty old v
发表于:2018-12-24 / 阅读(166) / 评论(0)
Scientific American(七)月
Scientific American(七)月
By Yi Suli Detroit, Michigan 23 May 2007 A detail of some artwork in the exhibit The world's fast-growing megalopolises often grab headlines, but another urban phenomenon is having just as much of an impact on the planet. Many cities around the world
发表于:2019-01-07 / 阅读(216) / 评论(0)
2007年VOA标准英语（五月）
2007年VOA标准英语（五月）
He forecasts the economy will shrink by 3.5% this year, and to put it into context that is a big downward revision from his prediction in November of a shrinkage of 1.25%. But he did say the economy will start to recover by the end of this year. And
发表于:2019-02-06 / 阅读(161) / 评论(0)
英伦广角
英伦广角